Coexistence of pairing gaps in three-component Fermi gases

O.H.T. Nummi, J.J. Kinnunen, P. Törmä

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

We study a three-component superfluid Fermi gas in a spherically symmetric harmonic trap using the Bogoliubov–deGennes method. We predict a coexistence phase in which two pairing field order parameters are simultaneously non-zero, in stark contrast to studies performed for trapped gases using local density approximation. We also discuss the role of atom number conservation in the context of a homogeneous system.
Original languageEnglish
Article number055013
Pages (from-to)1-15
Number of pages15
JournalNew Journal of Physics
Volume13
DOIs
Publication statusPublished - 2011
MoE publication typeA1 Journal article-refereed

Keywords

  • BCS
  • Fermi gas superfluidity coexistence

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